Annotation of loncom/auth/lonlogin.pm, revision 1.11
1.1 albertel 1: # The LearningOnline Network
2: # Login Screen
1.11 ! www 3: #
! 4: # $Id: gplheader.pl,v 1.1 2001/11/29 18:19:27 www Exp $
! 5: #
! 6: # Copyright Michigan State University Board of Trustees
! 7: #
! 8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
! 9: #
! 10: # LON-CAPA is free software; you can redistribute it and/or modify
! 11: # it under the terms of the GNU General Public License as published by
! 12: # the Free Software Foundation; either version 2 of the License, or
! 13: # (at your option) any later version.
! 14: #
! 15: # LON-CAPA is distributed in the hope that it will be useful,
! 16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
! 17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
! 18: # GNU General Public License for more details.
! 19: #
! 20: # You should have received a copy of the GNU General Public License
! 21: # along with LON-CAPA; if not, write to the Free Software
! 22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
! 23: #
! 24: # /home/httpd/html/adm/gpl.txt
! 25: #
! 26: # http://www.lon-capa.org/
! 27: #
1.2 www 28: # 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14,
1.10 www 29: # 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9,
30: # 1/17/01 Gerd Kortemeyer
1.1 albertel 31: #
32: package Apache::lonlogin;
33:
34: use strict;
35: use Apache::Constants qw(:common);
36: use Apache::File ();
37: use Apache::lonnet();
38:
39: sub handler {
40: my $r = shift;
41: $r->content_type('text/html');
42: $r->send_http_header;
43: return OK if $r->header_only;
44:
45: my $iconpath= $r->dir_config('lonIconsURL');
46: my $domain = $r->dir_config('lonDefDomain');
47: my $role = $r->dir_config('lonRole');
48: my $loadlim = $r->dir_config('lonLoadLim');
49: my $servadm = $r->dir_config('lonAdmEMail');
50: my $sysadm = $r->dir_config('lonSysEMail');
51: my $lonhost = $r->dir_config('lonHostID');
52: my $tabdir = $r->dir_config('lonTabDir');
1.6 www 53: my $include = $r->dir_config('lonIncludes');
1.1 albertel 54:
55: my $loadavg;
56: {
57: my $loadfile=Apache::File->new('/proc/loadavg');
58: $loadavg=<$loadfile>;
59: }
60: $loadavg =~ s/\s.*//g;
61: my $loadpercent=100*$loadavg/$loadlim;
62:
1.10 www 63: my $otherserver='http://'.$ENV{'SERVER_NAME'};
1.5 www 64: my $firsturl=$ENV{'request.firsturl'};
1.1 albertel 65: # ---------------------------------------- Are we access server and overloaded?
66: if (($role eq 'access') && ($loadpercent>100.0)) {
67: $otherserver=Apache::lonnet::spareserver();
68: }
1.6 www 69:
70: # -------------------------------------------------------- Set login parameters
71:
72: my @hexstr=('0','1','2','3','4','5','6','7',
73: '8','9','a','b','c','d','e','f');
74: my $lkey='';
75: for (0..7) {
76: $lkey.=$hexstr[rand(15)];
77: }
78:
79: my $ukey='';
80: for (0..7) {
81: $ukey.=$hexstr[rand(15)];
82: }
83:
84: my $lextkey=hex($lkey);
85: my $uextkey=hex($ukey);
86: my $logtoken=Apache::lonnet::reply(
1.7 www 87: 'tmpput:'.$ukey.$lkey.'&'.$firsturl,
1.6 www 88: $lonhost);
89:
90: # --------------------------------------------------- Print login screen header
91: $r->print(<<ENDHEADER);
1.1 albertel 92: <html>
93: <head>
1.2 www 94: <title>The LearningOnline Network with CAPA Login</title>
1.1 albertel 95: </head>
1.6 www 96: ENDHEADER
97: # ---------------------------------------------------- Serve out DES JavaScript
98: {
99: my $jsh=Apache::File->new($include."/londes.js");
100: $r->print(<$jsh>);
101: }
102: # ---------------------------------------------------------- Serve rest of page
103: $r->print(<<ENDDOCUMENT);
104:
1.8 www 105: <body bgcolor="#FFFFFF" text="#000000" link="#999999" vlink="#999999"
106: onLoad="init();">
1.6 www 107:
108: <script language="JavaScript">
109:
110: function send() {
111: this.document.server.elements.uname.value
112: =this.document.client.elements.uname.value;
113:
114: this.document.server.elements.udom.value
115: =this.document.client.elements.udom.value;
116:
117: uextkey=this.document.client.elements.uextkey.value;
118: lextkey=this.document.client.elements.lextkey.value;
119: initkeys();
120:
121: this.document.server.elements.upass.value
122: =crypted(this.document.client.elements.upass.value);
123:
124: this.document.server.submit();
125: }
126:
127: </script>
128:
1.8 www 129: <a href="/adm/accessibility.html">Accessibility Options</a>
130:
131: <a href="/adm/about.html">About LON-CAPA</a><p>
1.1 albertel 132: <table width=600>
1.8 www 133: <tr><td>
134: <img src="$iconpath/lonlogo.gif"></td>
135: <td colspan=2 bgcolor="#DDDDDD">
1.2 www 136: <font size=+1><b>User Authentication</b></font><p>
137:
1.6 www 138: <form name="server" action="$otherserver/adm/authenticate"
139: method="post" target="_top">
140: <input type=hidden name=logtoken value="$logtoken">
141: <input type=hidden name=serverid value="$lonhost">
142: <input type=hidden name=uname value="">
143: <input type=hidden name=upass value="">
144: <input type=hidden name=udom value="">
145: </form>
146:
147: <form name="client">
1.1 albertel 148: <table border=2 bgcolor="#BBBBBB">
149: <tr><td>Username:</td><td><input type=text size=10 name=uname></td></tr>
150: <tr><td>Password:</td><td><input type=password size=10 name=upass></td></tr>
151: <tr><td>Domain:</td><td><input type=text size=10 value=$domain name=udom></td>
152: </tr>
1.6 www 153: <tr><td colspan=2><input type=button value=Login onClick="send();"></td></tr>
1.1 albertel 154: </table>
1.6 www 155: <input type=hidden name=lextkey value="$lextkey">
156: <input type=hidden name=uextkey value="$uextkey">
1.1 albertel 157: </form>
1.6 www 158:
1.1 albertel 159: </td>
160: </tr><tr><td bgcolor="#DDDDDD">
161: <table border=1 bgcolor="#BBBBBB">
1.2 www 162: <tr><td><font size="-1"><b>Domain:</b></font></td>
163: <td><font size="-1"><tt>$domain</tt></font></td>
1.9 www 164: <td rowspan=3><font size="-1"><b>System Administration:</b><br>
1.1 albertel 165: <tt>$sysadm</tt><br>
166: <b>Server Administration:</b><br>
167: <tt>$servadm</tt></font></td></tr>
1.2 www 168: <tr><td><font size="-1"><b>Server:</b></font></td>
169: <td><font size="-1"><tt>$lonhost ($role)</tt></font></td></tr>
170: <tr><td><font size="-1"><b>Load:</b></font></td>
171: <td><font size="-1"><tt>$loadpercent</tt> percent</font></td></tr>
172: </table>
1.1 albertel 173: </td><td>
1.8 www 174: <font size="+1">
1.3 www 175: <b>L</b>aboratory for<br>
176: <b>I</b>nstructional<br>
177: <b>T</b>echnology in<br>
1.1 albertel 178: <b>E</b>ducation</td><td>
1.8 www 179: <img src="$iconpath/liteani.gif"></font></td></tr></table>
1.1 albertel 180: </body>
181: </html>
182: ENDDOCUMENT
183: return OK;
184: }
185:
186: 1;
187: __END__
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